50 个装黑色聚乙烯邮寄运输袋 - 超强韧 PE 材质，自封胶，防水，边缘牢固，超大尺寸，适合批量包装返校

25x35 cm=9.84x13.77 inch

45x60 cm=17.72x23.62 inch

17x30 cm=6.69x11.81 inch

28x42 cm=11.02x16.53 inch

40x65 cm=15.75x25.6 inch